Which of the following is an example of non-spatial thinking?

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

What does it mean if a piece of wood is ripped? it has been water-damaged. it has been cut with the grain. it has been cut against the grain. it has been covered with laminate.

What is the main source of phosphorus?